Home / 155,452.54-214,519.62-87,473.38

Finding the Fourth Proportional to 155,452.54, 214,519.62 and 87,473.38

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Solution

The fourth proportional to 155,452.54, 214,519.62 and 87,473.38 is: 120,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,452.54 : 214,519.62 = 87,473.38 : x
  2. Step 2: Convert to fraction form
    155,452.54/214,519.62 = 87,473.38/x
  3. Step 3: Cross multiply
    155,452.54x = 214,519.62 × 87,473.38
  4. Step 4: Simplify right side
    155,452.54x = 18,764,756,237.72
  5. Step 5: Solve for x
    x = 18,764,756,237.72/155,452.54
  6. Step 6: Final answer
    x = 120,710.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.